Machine models

Liebherr R900HDS and R912 specifications

Entries in this reference
Listing-entry count
2

Short answer

Liebherr R900HDS and R912: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
R900HDS	Net Power 89.9 hp Operating Weight 50,486 lb
R912	Net Power 132.8 hp Operating Weight 57,320 lb

R900HDS and R912 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Liebherr	R900HDS and R912	2	R900HDS and R912

Specification	R912
Max Vertical Wall Digging Depth	9 ft

Dimensions and weight
Specification	R900HDS	R912
Ground Clearance	1.55 ft	1.55 ft
Height To Top Of Cab	10.8 ft	10.67 ft
Length Of Track On Ground	11.05 ft	11.05 ft
Tail Swing Radius	5.75 ft	8.95 ft
Removal Counterweight Clearance	3.79 ft	3.76 ft

Specification	R900HDS
Width To Outside Of Tracks	8.21 ft

Operational
Specification	R900HDS	R912
Operating Weight	50,486 lb	57,320 lb
Fuel Capacity	52.9 gal	95.2 gal
Hydraulic System Fluid Capacity	47.6 gal	60.8 gal
Operating Voltage	24 V	24 V
Alternator Supplied Amperage	35 amps	55 amps
Hydraulic System Relief Valve Pressure	5,221 psi	5,221 psi
Hydraulic Pump Flow Capacity	67.7 gpm	105.7 gpm

Variants — Source comparison annotation
Source guide	Differing-field count reported
R900HDS and R912	21

Ratios
Figure	R900HDS	R912
Engine horsepower per 1,000 lb of weight	1.8	2.3
Fuel tank per engine horsepower	0.59 gal	0.72 gal
Hydraulic power from the listed pump flow and relief pressure	206.2 hp	322.0 hp

Reference directory classification
Equipment group	full-size excavator

R900HDS and R912: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	full-size excavator	Liebherr and the R912. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	3

Used market for the R900HDS and R912 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Liebherr full-size excavator	4

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
R912	4	1994	$9,800	$9,800	$9,800	None shown

R900HDS and R912: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Liebherr together with the full-size excavator R900HDS, R912	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Liebherr R900HDS — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Liebherr R912 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Liebherr R900HDS and R912 — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Liebherr R912 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Liebherr — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	3
Forum indexes	Heavy Equipment Forums
Search wording	the R900HDS and R912 full-size excavator
Latest title quoted by the reference	Liebherr R912 Litronic Slow Down

Liebherr R900HDS and R912: Configuration records

R900HDS

Specification	Source figure
Engine
Number Of Cylinders	4
Power Measured @	2,000 rpm
Engine Model	BF4L 913
Net Power	89.9 hp
Aspiration	in-line engine air-cooled
Operational
Operating Weight	50,486 lb
Hydraulic System Relief Valve Pressure	5,221 psi
Hydraulic Pump Flow Capacity	67.7 gpm
Fuel Capacity	52.9 gal
Hydraulic System Fluid Capacity	47.6 gal
Alternator Supplied Amperage	35 amps
Operating Voltage	24 V
Dimensions and weight
Ground Clearance	1.55 ft
Width To Outside Of Tracks	8.21 ft
Length Of Track On Ground	11.05 ft
Height To Top Of Cab	10.8 ft
Removal Counterweight Clearance	3.79 ft
Boom/Stick Option (Hex) 1
Boom/Stick Option (Hex) 1	360degree attachment swivel
Undercarriage
Shoe Size	19.69 in
Drawbar Pull	53,954 lb
Additional specifications
Shipping Length Of Unit	28.52 ft
Shipping Height Of Unit	9.36 ft
Max Loading Height	17 ft
Max Reach Along Ground	22 ft
Max Digging Depth	11.5 ft
Max Cutting Height	22 ft
Tail Swing Radius	5.75 ft
Max Travel Speed	3.11 mph

R912

Specification	Source figure
Engine
Number Of Cylinders	4
Power Measured @	2,000 rpm
Engine Model	D 924 T-E
Net Power	132.8 hp
Aspiration	In-line engine water-cooled
Operational
Operating Weight	57,320 lb
Hydraulic System Relief Valve Pressure	5,221 psi
Hydraulic Pump Flow Capacity	105.7 gpm
Fuel Capacity	95.2 gal
Hydraulic System Fluid Capacity	60.8 gal
Alternator Supplied Amperage	55 amps
Operating Voltage	24 V
Dimensions and weight
Ground Clearance	1.55 ft
Length Of Track On Ground	11.05 ft
Height To Top Of Cab	10.67 ft
Removal Counterweight Clearance	3.76 ft
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	9 ft
Boom/Stick Option (Hex) 1	45degree attachment
Undercarriage
Shoe Size	19.69 in
Drawbar Pull	60,923 lb
Additional specifications
Shipping Length Of Unit	36.42 ft
Shipping Height Of Unit	12.14 ft
Max Loading Height	21 ft
Max Reach Along Ground	27.5 ft
Max Digging Depth	12.8 ft
Max Cutting Height	28.5 ft
Tail Swing Radius	8.95 ft
Max Travel Speed	3.11 mph

Compare Liebherr R900HDS, R912

Dimensions and weight
Specification	R900HDS	R912
Ground Clearance	1.55 ft	1.55 ft
Height To Top Of Cab	10.8 ft	10.67 ft
Length Of Track On Ground	11.05 ft	11.05 ft
Tail Swing Radius	5.75 ft	8.95 ft
Removal Counterweight Clearance	3.79 ft	3.76 ft

Operational
Specification	R900HDS	R912
Operating Weight	50,486 lb	57,320 lb
Fuel Capacity	52.9 gal	95.2 gal
Hydraulic System Fluid Capacity	47.6 gal	60.8 gal
Operating Voltage	24 V	24 V
Alternator Supplied Amperage	35 amps	55 amps
Hydraulic System Relief Valve Pressure	5,221 psi	5,221 psi
Hydraulic Pump Flow Capacity	67.7 gpm	105.7 gpm